This is a step-by-step guide on how to replicate an existing MySQL server. The server is live and contains data and needs a constant backup companion.
Many tutorials focus on how to setup replication when no data is present on the system. That’s an ideal solution if you’re building a new setup, but in case you’ve got a server that already has data present then here’s how to accomplish the this:Read More
Well I ran into a problem when running a large PowerDNS installation with over 1000 domains and was planning a IP migration of the primary DNS server running at my company.
sh runn timeout (check default timeout settings)
access-list oracle-1521 permit tcp host 10.26.x.x host 10.25.x.x (or make the access-list specific for a certain protocol)
match access-list oracle-1521
set connection timeout tcp 0:0:0 reset (setting no timeout for the specific access-list, DCD will determine with probes if the session needs to be torn down)